Article #815: Unscheduled scratch outage on Hammer
The Hammer scratch filesystem has now returned to normal operations. Original Message: During the maintenance of the Rice and Snyder clusters this wee...
The Hammer scratch filesystem has now returned to normal operations. Original Message: During the maintenance of the Rice and Snyder clusters this wee...
The underlying issues affecting Carter are resolved and job scheduling has been resumed. Many individual nodes remain offline for corrective action,...
The cause of this turned out to be a power loss to Carter's scratch filesystem and portions of the Data Depot, which has been restored now. Carter no...
Most of the impact of this turned out to be to the Depot storage system, which has now been restored to normal operations. All the other affected sys...
There was an issue with the cluster's gateway switches, causing infiniband traffic to be incapable of IP over infiniband. This also caused an instabil...
As of 9:15 PM, the Snyder and Rice clusters have been brought back into service after cooling was brought back online. Front-ends are operational and...
The Depot filesystem checks have all completed cleanly and the Depot has been fully returned to normal operations. All queues on all clusters are sch...
Engineering Computing Network (ECN) will be performing staged patching and reboots of all of ECN's RedHat Linux workstations and servers to protect ag...
As of Monday, March 7th, 2016 at 12:30pm EST, the Peregrine1 cluster is unavailable due to a failed network switch in its datacenter. This switch is...
Outage RESOLVED A misconfiguration that caused an unneeded IB driver to be loaded was fixed. Peregrine-1 is back online. Job scheduling is on. Origi...
Update As of 5:20pm the standby and standby-c queues have been started and their jobs are being scheduled for execution. The standby queues on Hansen...
The scratch storage on Carter and Scholar has been returned to normal operations. The rebuild process will be continuing in the background, so we wil...
Job scheduling on Hansen has returned to normal. This concludes the outage. Original Message: Hansen is not currently scheduling any new jobs. A file...
UPDATE: The issue with Carter's scratch filesystem has been resolved. The filesystem is now available. Job scheduling on the cluster has been resum...
The Isilon filesystem was restored to normal service and all affected clusters had it remounted as quickly as was sustainable by the filesystem. This...
The problem is now RESOLVED after the reboot of a router. ======= The network serving Snyder is currently experiencing issues. Attempts to log in to t...
Networking to and from campus, and around large parts of campus are down. Many services are unreachable at the moment. We will provide updates as they...
Networking to and from campus, and around large parts of campus are down. Many services are unreachable at the moment. We will provide updates as they...
The underlying storage has been fixed, and all these clusters have been returned to normal operations as of 10:00pm EDT. As of Tuesday, June 7th, 201...
Engineering Computing Network (ECN) will be performing scheduled maintenance this weekend on several ECN server resulting in their unavailability for...